Definition of splendiferousness in US English:

splendiferousness

noun

informal, humorous
  • See splendiferous

    • ‘The important thing is that you've been won over to the splendiferousness of the Decemberists.’
    • ‘The snack size Rolo has three chocolate cylindrical trapezoids of caramel-infused splendiferousness wrapped in the classic gold foil and brown paper sheathing.’
    • ‘I told my friends to get it and they were equally amazed by the splendiferousness.’
    • ‘How dare you all question the vast warehouse of aquatic plantgrowing knowledge which is kush, or attempt to tarnish my wondrous splendiferousness?’
    • ‘Romantic or touching moments are cued with swelling music, unbelievably swelling music that bulges and finally erupts from your speakers to reach a peak of splendiferousness.’